Open Access
Table F.1.
Log of the spectroscopic observations of SN 2020nxt.
| Date | MJD | Phasea | Instrumental setup | Grism/Grating | Spectral range | Exposure time | Resolution |
|---|---|---|---|---|---|---|---|
| (d) | (Å) | (s) | (Å) | ||||
| 20200713 | 59044.13 | +5.7 | LT+SPRAT | VPH600 | 4000 − 8000 | 1200 | 18 |
| 20200717 | 59048.11 | +9.7 | TNG+DOLORES | LR-B | 3300 − 8000 | 1800 | 10.8 |
| 20200719 | 59050.11 | +11.7 | NOT+ALFOSC | gm8 | 5700 − 8600 | 2500 | 10.5 |
| 20200721 | 59051.93 | +13.5 | Ekar1.82m+AFOSC | VPH6+VPH7 | 3400 − 9300 | 2400 + 2400 | 17.4,14.6 |
| 20200723 | 59054.09 | +15.7 | LT+SPRAT | VPH600 | 4100 − 8000 | 2100 | 18 |
| 20170724 | 59055.16 | +16.8 | GTC+OSIRIS | R1000B+R1000R | 3600 − 10400 | 1500 + 1500 | 7,8 |
| 20200731 | 59061.10 | +22.7 | NOT+ALFOSC | gm4 | 3400 − 9700 | 2700 | 14.0 |
| 20200805 | 59066.92 | +28.5 | Ekar1.82m+AFOSC | gm4 | 3500 − 8200 | 2700 × 2 | 13.4 |
| 20200805 | 59067.14 | +28.7 | NOT+ALFOSC | gm4 | 3400 − 9700 | 3000 | 13.6 |
| 20200816 | 59077.15 | +38.8 | NOT+ALFOSC | gm4 | 3400 − 9700 | 3600 | 14.2 |
| 20200820 | 59082.09 | +43.7 | TNG+DOLORES | LR-B | 3500 − 8000 | 1800 × 2 | 10.7 |
aPhases are relative to o-band maximum light (MJD = 59038.4 
; 2020-07-08) in observer frame.
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